Home / 13,980.96-19,293.33-7,693.35

Finding the Fourth Proportional to 13,980.96, 19,293.33 and 7,693.35

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Solution

The fourth proportional to 13,980.96, 19,293.33 and 7,693.35 is: 10,616.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,980.96 : 19,293.33 = 7,693.35 : x
  2. Step 2: Convert to fraction form
    13,980.96/19,293.33 = 7,693.35/x
  3. Step 3: Cross multiply
    13,980.96x = 19,293.33 × 7,693.35
  4. Step 4: Simplify right side
    13,980.96x = 148,430,340.36
  5. Step 5: Solve for x
    x = 148,430,340.36/13,980.96
  6. Step 6: Final answer
    x = 10,616.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.